| Type: | courseHeroApi |
| Uses (at least one of): |
TranslatorModule >
|
| Requires (at least one of): |
GuiModule >
ButtonRegisterModule > JavascriptParserModule > WordsStringParserModule > LoaderGuiModule > LanguageCodeGuesserModule > MetadataModule > |
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# -*- coding: utf-8 -*-
# Copyright 2012-2013, Marten de Vries
#
# This file is part of OpenTeacher.
#
# OpenTeacher is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# OpenTeacher is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with OpenTeacher. If not, see <http://www.gnu.org/licenses/>.
API_KEY = "sWHTqm5ZVptpaesh3R9UCnSCf8kaQ3QT"
import urllib.request, urllib.parse, urllib.error
import json
import datetime
import logging
import io
logger = logging.getLogger("courseheroapi")
class CourseHeroApi:
"""See for documentation of the API this communicates with:
http://www.coursehero.com/api/intro.php
"""
def __init__(self, userAgent, parse, getLanguageName, *args, **kwargs):
super().__init__(*args, **kwargs)
self._parse = parse
self._getLanguageName = getLanguageName
self._baseUrl = "https://www.coursehero.com/api/flashcards"
self._opener = urllib.request.build_opener()
self._opener.addheaders = [('User-Agent', userAgent)]
def _open(self, url, **kwargs):
kwargs["api_key"] = API_KEY
fullUrl = self._baseUrl + url + "?" + urllib.parse.urlencode(kwargs)
logger.info("Opening URL: %s" % fullUrl)
return io.TextIOWrapper(self._opener.open(fullUrl), encoding='UTF-8')
def searchSets(self, searchTerm):
try:
fd = self._open("/sets/", query=searchTerm)
except urllib.error.HTTPError as e:
logger.debug(e)
logger.debug(e.read())
return {"data": []}
return json.load(fd)
def downloadSet(self, id):
fd = self._open("/sets/%s/" % id)
data = json.load(fd)["data"]
created = datetime.datetime.fromtimestamp(data["created"])
list = {}
list["title"] = data["title"]
list["items"] = [
{
"id": card["fcid"],
"created": created,
"questions": self._parse(card["term"]),
"answers": self._parse(card["definition"]),
"commentfterAnswering": card["example"],
}
for card in data["flashcards"]
]
return {
"list": list,
"resources": {},
}
def installQtClasses():
global Model, SearchDialog
class Model(QtCore.QAbstractListModel):
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
self._choices = []
def update(self, choices):
"""Choices should be an iterable object of tuples of size two,
with in it first the text to display and second the value to
return by getChoice().
"""
self.beginResetModel()
self._choices = choices
self.endResetModel()
def rowCount(self, parent):
return len(self._choices)
def data(self, index, role):
if not (index.isValid() and role == QtCore.Qt.DisplayRole):
return
return self._choices[index.row()][0]
def getChoice(self, index):
return self._choices[index.row()][1]
class SearchDialog(QtWidgets.QDialog):
searchRequested = QtCore.pyqtSignal()
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
self._label = QtWidgets.QLabel()
self._label.setWordWrap(True)
self._searchBox = QtWidgets.QLineEdit()
self._searchButton = QtWidgets.QPushButton()
self._searchButton.clicked.connect(self.searchRequested.emit)
self._listView = QtWidgets.QListView()
self._model = Model()
self._listView.setModel(self._model)
self._listView.setSelectionMode(QtWidgets.QAbstractItemView.ExtendedSelection)
self._listView.doubleClicked.connect(self.accept)
buttonBox = QtWidgets.QDialogButtonBox(
QtWidgets.QDialogButtonBox.Cancel | QtWidgets.QDialogButtonBox.Ok,
parent=self
)
buttonBox.accepted.connect(self.accept)
buttonBox.rejected.connect(self.reject)
hbox = QtWidgets.QHBoxLayout()
hbox.addWidget(self._searchBox)
hbox.addWidget(self._searchButton)
l = QtWidgets.QVBoxLayout()
l.addWidget(self._label)
l.addLayout(hbox)
l.addWidget(self._listView)
l.addWidget(buttonBox)
self.setLayout(l)
@property
def chosenResults(self):
return [self._model.getChoice(i) for i in self._listView.selectedIndexes()]
def setResults(self, results):
self._model.update(results)
@property
def searchTerm(self):
return self._searchBox.text()
def retranslate(self):
self._label.setText(_("Enter a search term and press the search button to search coursehero.com for sets. Then select the set or sets you want to import and click OK."))
self._searchBox.setPlaceholderText(_("E.g.: french"))
self._searchButton.setText(_("Search"))
self.setWindowTitle(_("Search coursehero.com"))
def keyPressEvent(self, event):
if event.key() != QtCore.Qt.Key_Return:
#prevent the Ok button from triggering, most people
#would expect it to be the search shortcut. (Which it
#isn't, either.)
return super().keyPressEvent(event)
class CourseHeroApiModule:
def __init__(self, moduleManager, *args, **kwargs):
super().__init__(*args, **kwargs)
self._mm = moduleManager
self.type = "courseHeroApi"
self.requires = (
self._mm.mods(type="ui"),
self._mm.mods(type="buttonRegister"),
self._mm.mods(type="wordsStringParser"),
self._mm.mods(type="loaderGui"),
self._mm.mods(type="languageCodeGuesser"),
self._mm.mods(type="metadata"),
)
self.uses = (
self._mm.mods(type="translator"),
)
self.filesWithTranslations = ("courseHeroApi.py",)
self.priorities = {
"default": 630,
}
@property
def _getLanguageName(self):
return self._modules.default("active", type="languageCodeGuesser").getLanguageName
def enable(self):
global QtCore, QtWidgets
try:
from PyQt5 import QtCore, QtWidgets
except ImportError:
return
installQtClasses()
self._modules = set(self._mm.mods(type="modules")).pop()
self._uiModule = self._modules.default("active", type="ui")
self._buttonRegister = self._modules.default("active", type="buttonRegister")
userAgent = self._modules.default('active', type='metadata').metadata['userAgent']
self._api = CourseHeroApi(userAgent, self._parse, self._getLanguageName)
self._button = self._buttonRegister.registerButton("load-from-internet")
self._button.clicked.handle(self.doImport)
self._button.changePriority.send(self.priorities["default"])
try:
translator = self._modules.default("active", type="translator")
except IndexError:
pass
else:
translator.languageChanged.handle(self._retranslate)
self._retranslate()
self.active = True
def _retranslate(self):
global _
global ngettext
#Install translator
try:
translator = self._modules.default("active", type="translator")
except IndexError:
_, ngettext = str, lambda a, b, n: a if n == 1 else b
else:
_, ngettext = translator.gettextFunctions(
self._mm.resourcePath("translations")
)
self._button.changeText.send(_("Import from coursehero.com"))
#Translate all active dialogs
if hasattr(self, "_dialog"):
self._dialog.retranslate()
self._dialog.tab.title = self._dialog.windowTitle()
@property
def _parse(self):
return self._modules.default("active", type="wordsStringParser").parse
def _handleSearch(self):
try:
data = self._api.searchSets(self._dialog.searchTerm)
except urllib.error.URLError as e:
logger.debug(e, exc_info=True)
self._noConnection()
return
self._dialog.setResults([
(result["title"], result["fcsid"])
for result in data["data"]
])
def _noConnection(self):
QtWidgets.QMessageBox.warning(
self._uiModule.qtParent,
_("No coursehero.com connection"),
_("coursehero.com didn't accept the connection. Are you sure that your internet connection works and coursehero.com is online?")
)
def doImport(self):
try:
self._dialog = SearchDialog()
tab = self._uiModule.addCustomTab(self._dialog)
tab.closeRequested.handle(tab.close)
self._dialog.rejected.connect(tab.close)
self._dialog.accepted.connect(tab.close)
self._dialog.searchRequested.connect(self._handleSearch)
self._dialog.tab = tab
self._retranslate()
self._dialog.accepted.connect(self._downloadSelectedList)
for setId in self._dialog.chosenResults:
list = self._api.downloadSet(setId)
try:
self._loadList(list)
except NotImplementedError:
return
except urllib.error.URLError as e:
logger.debug(e, exc_info=True)
self._noConnection()
return
def _downloadSelectedList(self):
try:
for setId in self._dialog.chosenResults:
list = self._api.downloadSet(setId)
try:
self._loadList(list)
except NotImplementedError:
return
except urllib.error.URLError as e:
logger.debug(e, exc_info=True)
self._noConnection()
return
#everything went well
self._uiModule.statusViewer.show(_("The word list was imported from coursehero.com successfully."))
def _loadList(self, list):
self._modules.default("active", type="loaderGui").loadFromLesson("words", list)
def disable(self):
self.active = False
self._buttonRegister.unregisterButton(self._button)
del self._modules
del self._uiModule
del self._buttonRegister
del self._api
del self._button
def init(moduleManager):
return CourseHeroApiModule(moduleManager)
|